Finding the Fourth Proportional to 313,517.96, 432,722.94 and 192,762.62
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Solution
The fourth proportional to 313,517.96, 432,722.94 and 192,762.62 is: 266,054.32
Step by Step Solution
- Step 1: Write the proportion equation
313,517.96 : 432,722.94 = 192,762.62 : x - Step 2: Convert to fraction form
313,517.96/432,722.94 = 192,762.62/x - Step 3: Cross multiply
313,517.96x = 432,722.94 × 192,762.62 - Step 4: Simplify right side
313,517.96x = 83,412,807,648.50 - Step 5: Solve for x
x = 83,412,807,648.50/313,517.96 - Step 6: Final answer
x = 266,054.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.